Budesonide Nasal Spray is used in the treatment of allergic rhinitis, non-allergic rhinitis, and nasal polyps, and also reduces the mucosal inflammatory response in sinusitis. Budesonide Nasal Spray belongs to the group of nasal glucocorticosteroids and is clinically used for the treatment of perennial and seasonal allergic rhinitis and perennial non-allergic rhinitis, as well as for the prevention and treatment of nasal polyps. This product can be used for sinusitis, which can inhibit the inflammatory reaction of the nasal mucosa, reduce the edema of the nasal mucosa, and facilitate the ventilation and drainage of the sinuses. This product should be used in adults, children 6 years of age and older. Common adverse reactions include rhinorrhea, local irritation, mild hemorrhagic discharge from the nasal cavity, and it is contraindicated in patients who are allergic to this product. Please use the drug reasonably according to the condition under the guidance of a doctor, and should not use the drug blindly.